日期：2012-09-19 A dictionary of thousands of words chronicling（记录） the everyday lives of people in ancient Egypt -- including what taxes they paid, what they expected in a marriage and how much work they had to do for the government -- has been completed by sch... 阅读全文>>

日期：2012-09-19 During the first six months of 2012, sea surface temperatures in the Northeast Shelf Large Marine Ecosystem were the highest ever recorded, according to the latest Ecosystem Advisory issued by NOAA's Northeast Fisheries Science Center (NEFSC). Above... 阅读全文>>

日期：2012-09-19 Eight billion years ago, rays of light from distant galaxies began their long journey to Earth. That ancient starlight has now found its way to a mountaintop in Chile, where the newly-constructed Dark Energy Camera, the most powerful sky-mapping mac... 阅读全文>>

日期：2012-09-18 There is no scientific evidence that low-level electromagnetic field exposure from mobile phones and other transmitting devices causes adverse health effects, according to a report presented by a Norwegian Expert Committee. In addition, the Committe... 阅读全文>>

日期：2012-09-18 A brief window of opportunity exists to shape the development of cities globally before a boom in infrastructure construction transforms urban land cover, according to a study in the Proceedings of the National Academy of Sciences. Researchers at Ya... 阅读全文>>

日期：2012-09-18 Sweet sorghum（甜高粱） is primarily grown in the United States as a source of sugar for syrup（糖浆） and molasses. But the sturdy（坚定的，强健的） grass has other attributes that could make it uniquely suited to production as a bioenergy crop, U.... 阅读全文>>

日期：2012-09-18 As sea ice in the Arctic continues to shrink during this century, more than two thirds of the area with sufficient snow cover for ringed seals to reproduce also will disappear, challenging their survival, scientists report in a new study. The ringed... 阅读全文>>

日期：2012-09-14 A new Arctic study in the journal Science is helping to unravel（解开，阐明） an important mystery surrounding climate change: How quickly glaciers can melt and grow in response to shifts in temperature. According to the new research, glaciers on Ca... 阅读全文>>

日期：2012-09-14 Men with divorced parents are significantly more likely to suffer a stroke than men from intact（完整的） families, shows a new study from the University of Toronto. The study, to be published this month in the International Journal of Stroke, shows... 阅读全文>>

日期：2012-09-14 Every cook knows that boiling water bubbles, right? New research from Northwestern University turns that notion on its head. We manipulated what has been known for a long, long time by using the right kind of texture and chemistry to prevent bubblin... 阅读全文>>

日期：2012-09-14 If you think this summer was hot, it's nothing compared to the summer of 1913, when the hottest temperature ever recorded was a searing 134 degrees Fahrenheit in Death Valley, Calif. But while that reading was made 99 years ago, it is only being rec... 阅读全文>>

日期：2012-09-13 A number of environmental toxins pose considerable health threats to humans, and the heavy metal cadmium（镉） (Cd) ranks high on the list. Most of us are exposed to it through plant-derived foods such as grains and vegetables. Now, new research off... 阅读全文>>

日期：2012-09-13 A team of Australian researchers, led by University of Melbourne has developed a genetic test that is able to predict the risk of developing autism spectrum disorder (ASD). Lead researcher Professor Stan Skafidas, Director of the Centre for Neural E... 阅读全文>>

日期：2012-09-13 Western scrub jays（灌丛鸦） summon others to screech over the body of a dead jay, according to new research from the University of California, Davis. The birds' cacophonous（粗腔横调的） funerals can last for up to half an hour. Anecdotal reports h... 阅读全文>>

日期：2012-09-13 Many high-achieving students experience math anxiety at a young age -- a problem that can follow them throughout their lives, new research at the University of Chicago shows. In a study of first- and second-graders, Sian Beilock, professor in psycho... 阅读全文>>

日期：2012-09-12 Consumers will pay more when they are given different options to pursue short-term goals, but will pay more for similar options when pursuing long-term goals, according to a new study in the Journal of Consumer Research. Many of the benefits of purs... 阅读全文>>

日期：2012-09-12 Teens who play mature-rated, risk-glorifying video games may be more likely than those who don't to become reckless drivers who experience increases in automobile accidents, police stops and willingness to drink and drive, according to new research... 阅读全文>>

日期：2012-09-12 Among adults with asthma controlled with low-dose inhaled corticosteroid（皮质类固醇） therapy, the time to treatment failure was not significantly different among patients who received corticosteroid dose adjustment based on physician assessment, a... 阅读全文>>

日期：2012-09-12 Cross a crow（乌鸦） and it'll remember you for years. Crows and humans share the ability to recognize faces and associate them with negative, as well as positive, feelings. The way the brain activates during that process is something the two specie... 阅读全文>>

日期：2012-09-11 A study by the University of Southampton has shown that women are having children later in life mainly because they are spending longer in education. Research by Professor Mire N Bhrolchin and Dr va Beaujouan of the ESRC Centre for Population Change... 阅读全文>>